Messages in this thread |  | | Date | Tue, 30 Oct 2001 23:46:34 +0100 | From | Andrea Arcangeli <> | Subject | Re: pre5 VM livelock |
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On Tue, Oct 30, 2001 at 04:20:25PM -0500, Jeff Garzik wrote: > 2.4.14-pre5 was looking very nice on my alpha, doing RPM builds. It > seems to swap only when it needs to, and subjectively, performance > appears better. > > However at this very moment, the kernel is livelocked. I can type on > console and do sysrq to your heart's content... I can even sysrq-s and > sync successfully. But no processing occurs. I can ping, but two ssh > sessions are frozen. > > Key symptoms: Free swab 0Kb according to sysrq-m, and several processes > in run state according to sysrq-t. > > Let me know if I should poke at this alpha further before rebooting. > > further info: > free pages: 2560 kb (0kb highmem) > ( active 2422 inactive 38578 free 320 ) > swap cache: add 850670 delete 850666 find 323063/440091 race 1+0 > free swap: 0kb > 49074 pages of ram > 786 free pages > 1299 reserved pages > 2683 pages shared > 4 pages swap cached > 4 pages in page table cache > buffer memory: 168kb > > This behavior is reproducible, I am pretty sure.
can you reproduce with 2.4.14pre5aa1 too? The inactive list is pretty big so maybe it's something else but maybe it's really mlocked anon memory.
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